GtkScaleButton A button which pops up a scale #GtkScaleButton provides a button which pops up a scale widget. This kind of widget is commonly used for volume controls in multimedia applications, and GTK+ provides a #GtkVolumeButton subclass that is tailored for this use case. @scalebutton: the object which received the signal. @scalebutton: the object which received the signal. @scalebutton: the object which received the signal. @arg1: @size: @min: @max: @step: @icons: @Returns: @button: @adjustment: @button: @icons: @button: @value: @button: @Returns: @button: @Returns: